package com.sky.mapper;

import com.sky.entity.ShoppingCart;
//import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper

public interface ShoppingCartMapper {

    /**
     *
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 根据id修改商品数量
     * @param shoppingCart
     */
    @Update("update shopping_cart set number=#{number} where id=#{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /**
     * 插入商品
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name,user_id,dish_id,dish_flavor,number,amount,image,create_time)"+"values (#{name},#{userId},#{dishId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 根据用户id删除购物车
     * @param currentId
     */
    @Delete("delete from shopping_cart where user_id=#{userId}")
    void deleteByUserId(Long currentId);

    /**
     * 批量插入购物车数据
     *
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
